#include <linux/file.h>
#include <linux/fs.h>
+#include <linux/fsnotify.h>
#include <linux/backing-dev.h>
#include <linux/init.h>
#include <linux/ioctl.h>
#include "spufs.h"
+struct spufs_sb_info {
+ int debug;
+};
+
static struct kmem_cache *spufs_inode_cache;
char *isolated_loader;
static int isolated_loader_size;
+static struct spufs_sb_info *spufs_get_sb_info(struct super_block *sb)
+{
+ return sb->s_fs_info;
+}
+
static struct inode *
spufs_alloc_inode(struct super_block *sb)
{
static int
spufs_new_file(struct super_block *sb, struct dentry *dentry,
const struct file_operations *fops, int mode,
- struct spu_context *ctx)
+ size_t size, struct spu_context *ctx)
{
static struct inode_operations spufs_file_iops = {
.setattr = spufs_setattr,
ret = 0;
inode->i_op = &spufs_file_iops;
inode->i_fop = fops;
+ inode->i_size = size;
inode->i_private = SPUFS_I(inode)->i_ctx = get_spu_context(ctx);
d_add(dentry, inode);
out:
return simple_rmdir(parent, dir);
}
-static int spufs_fill_dir(struct dentry *dir, struct tree_descr *files,
+static int spufs_fill_dir(struct dentry *dir, struct spufs_tree_descr *files,
int mode, struct spu_context *ctx)
{
struct dentry *dentry, *tmp;
if (!dentry)
goto out;
ret = spufs_new_file(dir->d_sb, dentry, files->ops,
- files->mode & mode, ctx);
+ files->mode & mode, files->size, ctx);
if (ret)
goto out;
files++;
parent = dir->d_parent->d_inode;
ctx = SPUFS_I(dir->d_inode)->i_ctx;
- mutex_lock(&parent->i_mutex);
+ mutex_lock_nested(&parent->i_mutex, I_MUTEX_PARENT);
ret = spufs_rmdir(parent, dir);
mutex_unlock(&parent->i_mutex);
WARN_ON(ret);
if (ret)
goto out_free_ctx;
+ if (spufs_get_sb_info(dir->i_sb)->debug)
+ ret = spufs_fill_dir(dentry, spufs_dir_debug_contents,
+ mode, ctx);
+
+ if (ret)
+ goto out_free_ctx;
+
d_instantiate(dentry, inode);
dget(dentry);
dir->i_nlink++;
mode &= ~current->fs->umask;
if (flags & SPU_CREATE_GANG)
- return spufs_create_gang(nd->path.dentry->d_inode,
+ ret = spufs_create_gang(nd->path.dentry->d_inode,
dentry, nd->path.mnt, mode);
else
- return spufs_create_context(nd->path.dentry->d_inode,
+ ret = spufs_create_context(nd->path.dentry->d_inode,
dentry, nd->path.mnt, flags, mode,
filp);
+ if (ret >= 0)
+ fsnotify_mkdir(nd->path.dentry->d_inode, dentry);
+ return ret;
out_dput:
dput(dentry);
/* File system initialization */
enum {
- Opt_uid, Opt_gid, Opt_mode, Opt_err,
+ Opt_uid, Opt_gid, Opt_mode, Opt_debug, Opt_err,
};
static match_table_t spufs_tokens = {
- { Opt_uid, "uid=%d" },
- { Opt_gid, "gid=%d" },
- { Opt_mode, "mode=%o" },
- { Opt_err, NULL },
+ { Opt_uid, "uid=%d" },
+ { Opt_gid, "gid=%d" },
+ { Opt_mode, "mode=%o" },
+ { Opt_debug, "debug" },
+ { Opt_err, NULL },
};
static int
-spufs_parse_options(char *options, struct inode *root)
+spufs_parse_options(struct super_block *sb, char *options, struct inode *root)
{
char *p;
substring_t args[MAX_OPT_ARGS];
return 0;
root->i_mode = option | S_IFDIR;
break;
+ case Opt_debug:
+ spufs_get_sb_info(sb)->debug = 1;
+ break;
default:
return 0;
}
SPUFS_I(inode)->i_ctx = NULL;
ret = -EINVAL;
- if (!spufs_parse_options(data, inode))
+ if (!spufs_parse_options(sb, data, inode))
goto out_iput;
ret = -ENOMEM;
static int
spufs_fill_super(struct super_block *sb, void *data, int silent)
{
+ struct spufs_sb_info *info;
static struct super_operations s_ops = {
.alloc_inode = spufs_alloc_inode,
.destroy_inode = spufs_destroy_inode,
save_mount_options(sb, data);
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
sb->s_maxbytes = MAX_LFS_FILESIZE;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
sb->s_magic = SPUFS_MAGIC;
sb->s_op = &s_ops;
+ sb->s_fs_info = info;
return spufs_create_root(sb, data);
}